<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <style>
        body{
            background: yellow;
        }
        .test{
            width:300px;
            height:300px;
            display: flex;
            background:pink;
            justify-content:center;
        }
    </style>
</head>
<body>
    <img src="./imgs/logo.jpg" alt="">
    <p>jahd</p>
    <!-- 模板 -->
    <div class="test">
        <div>123</div>
        <div>345wo gaidong lhdhdhcicijjjjklkjkjkjkjkke</div>
    </div>
    <div class="color">
        我是有颜色的111dddd
    </div>
</body>
</html>